1903 & 1930 Barista & Roastery Patents • Bezzera Steam Espresso & Two-Stage Pour-Over Brewer
•2-Panel Stretched Canvas SetCoffee Extraction Patent Diptych (2-Panel Canvas Set)
A matched two-panel architectural diptych for the kitchen, espresso bar, or morning study. Pairs Milanese engineer Luigi Bezzera’s landmark April 28, 1903 U.S. Patent No. 726,793 for the steam-pressure espresso machine and portafilter grouphead (P-02) with Richard F. Krause’s January 14, 1930 U.S. Patent No. 1,743,925 for the two-stage pour-over drip coffee extraction vessel (P-08).
Archival matte cotton-poly canvas (344 gsm) hand-stretched over kiln-dried 1.25" solid pine stretcher bars with color-wrapped architectural edges and pre-installed hanging hardware.
| Format | Per-Panel Dimensions | 2-Panel Wall Span |
|---|---|---|
| 12 × 16 in | 12" W × 16" H × 1.25" D | 27" W × 16" H (with 3" spacing) |
| 16 × 20 in | 16" W × 20" H × 1.25" D | 35" W × 20" H (with 3" spacing) |
| 24 × 30 in | 24" W × 30" H × 1.25" D | 51" W × 30" H (with 3" spacing) |
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