For the Inventor, By the Inventor

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Bartlesville, OK, United States of America

Wedtech, (usa) Inc.

USPTO Granted Patents = 2

Trademarks = 3

Forward Citations = 19

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6 inventors (with patents filed for the assignee):

Salvatore D'Uva (1 out of 7 patents)

John Lefas (1 out of 4 patents)

Clifford C Lee (1 out of 6 patents)

4. Donald G Needham (1 out of 34 patents)

5. Andrew R Feder (1 out of 1 patent)

6. Donald T Beuke (1 out of 1 patent)

2 patents: Sort by Forward Citations

1. 5928584 - Foamable compositions for rotational molding (1999-07-27),

2. 5367025 - Crosslinkable polyethylene-based composition for rotational molding (1994-11-22),

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USPTO Data Jan 1 1976 - Dec 30 2025

2 Patents

#10 in Bartlesville, OK

#560 in Oklahoma

#92,651 in US

Bartlesville, OK, United States of America

Wedtech, (usa) Inc.

Forward Citations = 19

6 inventors:

Salvatore D'Uva (1 out of 7 patents)

John Lefas (1 out of 4 patents)

Clifford C Lee (1 out of 6 patents)

4. Donald G Needham (1 out of 34 patents)

5. Andrew R Feder (1 out of 1 patent)

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