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George Milton Hopkins

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Inventor's Manual, How To Work A Patent To Make It Pay by George Milton Hopkins

$5600

Inventor's Manual, How To Work A Patent To Make It Pay

by George Milton Hopkins ~ Paperback / softback

Available - Usually ships in 3-4 weeks

Experimental Science by George Milton Hopkins

$10300

Experimental Science

by George Milton Hopkins ~ Paperback / softback

Available - Usually ships in 3-4 weeks

Inventor's Manual: How to Work a Patent to Make It Pay (1901) on Paperback by George Milton Hopkins

$6600

Inventor's Manual: How to Work a Patent to Make It Pay (1901)

by George Milton Hopkins ~ Paperback

Available - Usually ships in 3-4 weeks

Inventor's Manual: How to Work a Patent to Make It Pay (1901) on Hardback by George Milton Hopkins

$9800

Inventor's Manual: How to Work a Patent to Make It Pay (1901)

by George Milton Hopkins ~ Hardback

Available - Usually ships in 3-4 weeks

Home Mechanics for Amateurs on Hardback by George Milton Hopkins

$11000

Home Mechanics for Amateurs

by George Milton Hopkins ~ Hardback

Available - Usually ships in 3-4 weeks

Inventoracentsa -A Centss Manual: How to Work a Patent to Make It Pay (1901) on Paperback by George Milton Hopkins

$6600

Inventoracentsa -A Centss Manual: How to Work a Patent to Make It Pay...

by George Milton Hopkins ~ Paperback

Available - Usually ships in 3-4 weeks

Inventor's Manual, How To Work A Patent To Make It Pay on Hardback by George Milton Hopkins

$8900

Inventor's Manual, How To Work A Patent To Make It Pay

by George Milton Hopkins ~ Hardback

Available - Usually ships in 3-4 weeks

Experimental Science on Hardback by George Milton Hopkins

$13600

Experimental Science

by George Milton Hopkins ~ Hardback

Available - Usually ships in 3-4 weeks

Inventor's Manual: How to Work a Patent to Make It Pay (1901) on Hardback by George Milton Hopkins

$9800

Inventor's Manual: How to Work a Patent to Make It Pay (1901)

by George Milton Hopkins ~ Hardback

Available - Usually ships in 3-4 weeks

Home Mechanics for Amateurs by George Milton Hopkins

$8000

Home Mechanics for Amateurs

by George Milton Hopkins ~ Paperback / softback

Available - Usually ships in 3-4 weeks