Gregory A. Gryskiewicz

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North St. Paul, MN, US

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Patents Grantslast 30 patents

Information Patent Grant
Abrasion resistant, reinforced screen panel member
- Patent number 4,374,169
- Issue date Feb 15, 1983
- UOP Inc.
- Gregory A. Gryskiewicz
- E04 - BUILDING
Information Patent Grant
Laser slotted plastic well screen
- Patent number 4,343,358
- Issue date Aug 10, 1982
- UOP Inc.
- Gregory A. Gryskiewicz
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Method of making slotted well screen
- Patent number 4,317,023
- Issue date Feb 23, 1982
- UOP Inc.
- Gregory A. Gryskiewicz
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Strip structure for well screen
- Patent number 4,299,283
- Issue date Nov 10, 1981
- Reese Enterprises, Inc.
- Gregory A. Gryskiewicz
- B07 - SEPARATING SOLIDS FROM SOLIDS SORTING